refactor: rename receipt print fields and implement multi-copy printing via a single print dialog

models/pos_config.py

@@ -3,14 +3,13 @@ from odoo import fields, models, api
 class PosConfig(models.Model):
     _inherit = 'pos.config'
 
-    receipt_print_copies = fields.Integer(string='Default Number of Copies', default=1, help="Default number of copies to print for receipts.")
-    receipt_paper_size = fields.Selection([
+    imin_print_copies = fields.Integer(string='Default Print Copies', default=1, help="Default number of copies to print.")
+    imin_paper_size = fields.Selection([
         ('57mm', '57mm (ISO 57)'),
         ('58mm', '58mm'),
         ('80mm', '80mm'),
-        ('80x210mm', '80 x 210 mm'),
-        ('80x297mm', '80 x 297 mm'),
+        ('80x210mm', '80x210mm'),
+        ('80x297mm', '80x297mm'),
         ('112mm', '112mm'),
         ('A4', 'A4'),
     ], string='Default Paper Size', default='57mm', help="Default paper size for browser print dialog.")
-

models/res_config_settings.py

@@ -3,5 +3,5 @@ from odoo import fields, models
 class ResConfigSettings(models.TransientModel):
     _inherit = 'res.config.settings'
 
-    pos_receipt_print_copies = fields.Integer(related='pos_config_id.receipt_print_copies', readonly=False)
-    pos_receipt_paper_size = fields.Selection(related='pos_config_id.receipt_paper_size', readonly=False)
+    pos_imin_print_copies = fields.Integer(related='pos_config_id.imin_print_copies', readonly=False)
+    pos_imin_paper_size = fields.Selection(related='pos_config_id.imin_paper_size', readonly=False)

static/src/app/services/pos_store_patch.js

@@ -2,20 +2,67 @@
 
 import { PosStore } from "@point_of_sale/app/services/pos_store";
 import { patch } from "@web/core/utils/patch";
+import { OrderReceipt } from "@point_of_sale/app/screens/receipt_screen/receipt/order_receipt";
+import { waitImages } from "@point_of_sale/utils";
 
 patch(PosStore.prototype, {
     async printReceipt(params = {}) {
-        const copies = this.config.receipt_print_copies || 1;
-        const paperSize = this.config.receipt_paper_size || '57mm';
+        const config = this.config;
+        const copies = config.imin_print_copies || 1;
+        const paperSize = config.imin_paper_size || '57mm';
         
         // Inject CSS for paper size to guide browser print dialog
         this._injectReceiptPaperSizeCSS(paperSize);
 
-        let result;
-        // Print multiple copies
-        for (let i = 0; i < copies; i++) {
-            result = await super.printReceipt(params);
+        if (copies <= 1) {
+            return super.printReceipt(params);
         }
+
+        const { basic = false, order = this.getOrder(), printBillActionTriggered = false } = params;
+        
+        // Manually render the receipt element
+        const el = await this.printer.renderer.toHtml(OrderReceipt, {
+            order,
+            basic_receipt: basic,
+        });
+        await waitImages(el);
+
+        // Duplicate the receipt content in a container
+        const container = document.createElement('div');
+        container.classList.add('pos-multi-receipt-container');
+        
+        for (let i = 0; i < copies; i++) {
+            const clone = el.cloneNode(true);
+            if (i < copies - 1) {
+                // Add a page break between receipts
+                clone.style.breakAfter = "page";
+                // Add a small margin for thermal printers that don't support hard breaks
+                clone.style.marginBottom = "20px";
+            }
+            container.appendChild(clone);
+        }
+
+        // Print the combined container (only one print dialog will show)
+        const result = await this.printer.printHtml(container, this.printOptions);
+
+        // Update print count logic (matching Odoo core)
+        if (!printBillActionTriggered && result) {
+            const count = order.nb_print ? order.nb_print + 1 : 1;
+            if (order.isSynced) {
+                const wasDirty = order.isDirty();
+                await this.data.write("pos.order", [order.id], { nb_print: count });
+                if (!wasDirty) {
+                    order._dirty = false;
+                }
+            } else {
+                order.nb_print = count;
+            }
+        }
+
+        if (result?.warningCode) {
+            this.displayPrinterWarning(result, "Receipt Printer");
+        }
+
         return result;
     },
 

views/pos_config_views.xml

@@ -9,12 +9,12 @@
                 <setting string="Receipt Print Defaults" help="Set default printing behavior for receipts.">
                     <div class="content-group">
                         <div class="row">
-                            <label for="pos_receipt_print_copies" class="col-lg-4 o_light_label" string="Number of Copies"/>
-                            <field name="pos_receipt_print_copies" class="col-lg-2"/>
+                            <label for="pos_imin_print_copies" class="col-lg-4 o_light_label" string="Number of Copies"/>
+                            <field name="pos_imin_print_copies" class="col-lg-2"/>
                         </div>
                         <div class="row mt-2">
-                            <label for="pos_receipt_paper_size" class="col-lg-4 o_light_label" string="Paper Size"/>
-                            <field name="pos_receipt_paper_size" class="col-lg-4"/>
+                            <label for="pos_imin_paper_size" class="col-lg-4 o_light_label" string="Paper Size"/>
+                            <field name="pos_imin_paper_size" class="col-lg-4"/>
                         </div>
                     </div>
                 </setting>